EP2643964A2 - Device with display screen - Google Patents

Device with display screen

Info

Publication number
EP2643964A2
EP2643964A2 EP11804603.6A EP11804603A EP2643964A2 EP 2643964 A2 EP2643964 A2 EP 2643964A2 EP 11804603 A EP11804603 A EP 11804603A EP 2643964 A2 EP2643964 A2 EP 2643964A2
Authority
EP
European Patent Office
Prior art keywords
form factor
bar form
display device
screen
factor display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11804603.6A
Other languages
German (de)
French (fr)
Inventor
Dmitry Alekseevich Gorilovsky
Denis SVERDLOV
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yota Devices IPR Ltd
Original Assignee
Yota Devices IPR Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB1016288.1A external-priority patent/GB201016288D0/en
Priority claimed from GBGB1017776.4A external-priority patent/GB201017776D0/en
Priority claimed from GBGB1020999.7A external-priority patent/GB201020999D0/en
Application filed by Yota Devices IPR Ltd filed Critical Yota Devices IPR Ltd
Publication of EP2643964A2 publication Critical patent/EP2643964A2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
    • G09G3/2096—Details of the interface to the display terminal specific for a flat panel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72427—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for supporting games or graphical animations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/73—Battery saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0267—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components
    • H04W52/027—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by controlling user interface components by controlling a display operation or backlight unit
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/04—Display device controller operating with a plurality of display units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0279—Improving the user comfort or ergonomics
    • H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
    • H04M1/72436—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for text messaging, e.g. short messaging services [SMS] or e-mails
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the field of the invention includes bar form factor display devices, especially bar form factor display devices comprising a plurality of display screens.
  • Bar form factors include slab, slate, block, bar and candybar.
  • Bar form factor display devices eg. slate devices such as the iPhoneTM and the iPadTM, are known. However, these devices comprise only a single display screen.
  • a bar form factor device may be a slate device.
  • a display stack-up 300 which is provided for a mobile electronic device 100 having an internal and external display, for example a clamshell style mobile phone.
  • the display stack-up comprises a backlight unit 1 14 and an external display device 1 10 having bi-stable optical states.
  • the external display device 110 is placed in contact with, and is optically coupled to, the backlight unit 114.
  • the display stack-up further comprises an internal display device 106 which is placed in contact with, and is optically coupled to, the external display device 110.
  • the terms "internal display” and "external display” employed in US20080021 15A1 arise because the device disclosed therein contains a hinged part such that one display is permanently visible to a user (the “external display”), while the other display may or may not be visible to a user (the “internal display”).
  • Prior art Figure 4 is disclosed in US20080021 15A1.
  • the mobile electronic device 100 includes a first housing member 102 and a second housing member 104.
  • the first housing member 102 and the second housing member 104 may be made up of materials like metal, plastic, glass and/or hybrids thereof.
  • the first housing member 102 and the second housing member 104 are hingedly connected with one another and are configurable in the open and closed positions.
  • first housing member 102 and the second housing member 104 are connected to each other with a hinge such that the angle between the two is approximately 180° or less, when configured in an open position, and the minimum angle is approximately 0° or slightly greater, when configured in the closed position.
  • the first housing member 102 further comprises an external display aperture 101 and an internal display aperture 103 through which the external display device 110 and internal display device 106 are viewable, respectively.
  • the display itself comprises three primary devices which are encased by the first housing member 102. In the cross sectional view of prior art FIG. 4, the three devices are shown in a "stack-up" configuration having the internal display device 106, the external display device 1 10, and a backlight device 108.
  • Prior art Figure 5 taken from US20080021 15A1 shows the hinged mobile phone disclosed therein in the closed configuration.
  • the inner display surface is protected from scratching which may occur eg., when the device is inside a woman's handbag and it comes into contact with various items such as keys, make up casing and metal elements on the surface of a money holder.
  • the closed configuration is more compact than the open configuration of prior art Figure 4; the compactness is useful when the device is being transported, eg. in a woman's handbag, because its greatest lateral extent is reduced with respect to the open configuration.
  • the interface components are kept inside the hinged phone, which offers more surface area when the device is open than when the device is closed.
  • Interface components such as keypad keys and an internal display are protected when the device is closed, and when closed it is less long or wide, making the device easier to carry around.
  • the second display can be used for display purposes because the first display may not be visible in the closed configuration.
  • the device of prior art Figures 4 and 5 is not a bar form factor device because it consists of two parts connected by a hinge.
  • a bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen.
  • the bar form factor display device may be one in which the second display screen uses electrowetting technology.
  • the bar form factor display device may be one in which the second display screen is a Grayscale panel.
  • the bar form factor display device may be one in which the second display screen is a bi-stable display screen.
  • the bar form factor display device may be one in which a device appearance can be changed by changing what is displayed on the bi-stable display screen.
  • the bar form factor display device may be one in which the bi-stable display screen is a bi-stable active matrix and high-resolution display screen.
  • the bar form factor display device may be one in which the bi-stable display screen is an E-ink bi-stable display screen.
  • the bar form factor display device may be one in which the second display screen is Electronic Paper Display under glass.
  • the bar form factor display device may be one in which the second display screen uses interferometric modulation technology.
  • the bar form factor display device may be one in which the device appearance is context-related.
  • the bar form factor display device may be one in which the context-related device appearance includes location-based advertising.
  • the bar form factor display device may be one in which the context-related device appearance includes results of a location-based search.
  • the bar form factor display device may be one in which the device appearance can be changed to give an appearance of a different phone case.
  • the bar form factor display device may be one in which the device skin can be changed.
  • the bar form factor display device may be one in which the device skin is one or more of: wallpaper, photos, movies, or user-customized content.
  • the bar form factor display device may be one in which the back face appears to be part of a device case.
  • the bar form factor display device may be one in which the second display screen has a low power consumption.
  • the bar form factor display device may be one in which the first display screen and the second display screen have similar resolutions.
  • the bar form factor display device may be one in which the second display screen provides approximately at least 1000 full screen updates using 300 mAh of charge, for a screen size of approximately 4 inches.
  • the bar form factor display device may be one in which the second display screen is operable to update at a rate the order of twice per minute.
  • the bar form factor display device may be one in which the second screen does not consume power or require power when in a bi-stable state.
  • the bar form factor display device may be one in which the device displays an image in an off state or in a low power notification mode.
  • the bar form factor display device may be one in which an application or service executing on the device is able to display a notification on the second screen.
  • the bar form factor display device may be one in which any application or service executing on the device is able to display a notification on the second screen.
  • the bar form factor display device may be one in which a time period for which a notification is displayed is not limited.
  • the bar form factor display device may be one in which an application or service executing on the device is able to display a notification on the first screen.
  • the bar form factor display device may be one in which any application or service executing on the device is able to display a notification on the first screen.
  • the bar form factor display device may be one in which a message is provided on the first screen and on the second screen.
  • the bar form factor display device may be one in which the second display screen output provides one or more of: Interactions, Control, Use cases, Personalization, Widgets, Privacy.
  • the bar form factor display device may be one in which the second display screen output provides a social network screen.
  • the bar form factor display device may be one in which the second display screen output provides social aggregator output or social network output.
  • the bar form factor display device may be one in which the social aggregator output or social network output is a Facebook page.
  • the bar form factor display device may be one in which the second display screen output provides a Google search page.
  • the bar form factor display device may be one in which the second display screen output provides device location.
  • the bar form factor display device may be one in which the second display screen output provides Notifications.
  • the bar form factor display device may be one in which the second display screen output provides Operator Push output.
  • the bar form factor display device may be one in which the second display screen output provides news provided by a news service.
  • the bar form factor display device may be one in which the second display screen output provides social messages provided by a social messaging service.
  • the bar form factor display device may be one in which the second display screen output provides social messages provided by a social networking service.
  • the bar form factor display device may be one in which the second display screen output provides calendar information.
  • the bar form factor display device may be one in which the second display screen is the only operational display screen of the device when the device operates in a low power notification mode.
  • the bar form factor display device may be one in which the second display screen displays content updates of one or more categories when the device operates in a low power notification mode.
  • the bar form factor display device may be one in which the categories include one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
  • the bar form factor display device may be one in which the categories are preselected.
  • the bar form factor display device may be one in which the categories are preselected by a user.
  • the bar form factor display device may be one in which the categories are preselected by a network services provider.
  • the bar form factor display device may be one in which the device is a slate device.
  • the bar form factor display device may be one in which the device is a bar or candybar device.
  • the bar form factor display device may be one in which the device is a slab-shaped form.
  • the bar form factor display device may be one in which the first display screen is a liquid crystal display screen.
  • the bar form factor display device may be one in which the first display screen is an active-matrix organic light-emitting diode display screen.
  • the bar form factor display device may be one in which in an ON state, the front face is back-illuminated and can display an image or other content; in the ON state, the bi-stable display on the back face also can display an image or other content.
  • the bar form factor display device may be one in which the device comprises a touch screen.
  • the bar form factor display device may be one in which the first display screen is a touch screen.
  • the bar form factor display device may be one in which the second display screen is a bi-stable display touch screen.
  • the bar form factor display device may be one in which the second display screen is a bi-stable display screen and the device includes a second bi-stable screen.
  • the bar form factor display device may be one in which the second display screen is a bi-stable display screen and the bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the first screen occupies greater than 70% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the first screen occupies greater than 90% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the first screen occupies greater than 95% of the area of the major face of the device on which it is located.
  • the bar form factor display device may be one in which the device is portable.
  • the bar form factor display device may be one in which the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
  • the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
  • the bar form factor display device may be one in which the device includes a virtual keyboard.
  • the bar form factor display device may be one in which the device includes a concave front face and a convex rear face.
  • the bar form factor display device may be one in which the magnitudes of the curvatures of the front face and the rear face are the same or similar.
  • the bar form factor display device may be one in which the curvature of front and back is cylindrical.
  • the bar form factor display device may be one in which the curvature of front and back is spherical.
  • the bar form factor display device may be one in which the curvature of front and back is aspherical.
  • the bar form factor display device may be one in which the device has a resting position with its front face down which is mechanically stable.
  • the bar form factor display device may be one in which the device concave front curvature matches the path of a finger as the user's wrist rotates.
  • the bar form factor display device may be one in which if the bar form factor display device is placed back down (ie convex face down), the bar form factor display device can spin.
  • the bar form factor display device may be one in which if the bar form factor display device is placed in a leg pocket of a user's clothing with the concave face facing the leg, this provides better antenna reception than if the convex face faces the leg.
  • the bar form factor display device may be one in which a curved front face is a vibrating distributed mode loudspeaker (DML) speaker.
  • DML distributed mode loudspeaker
  • the bar form factor display device may be one in which a curved rear face is a vibrating distributed mode loudspeaker (DML) speaker.
  • DML distributed mode loudspeaker
  • the bar form factor display device may be one in which during manufacturing the curved shape is laminated to glass.
  • Figure 1 shows the front face and back face of an example device of the invention in the same Figure. The device is shown in the off state.
  • Figure 2 shows the front face and the back face of an example device of the invention in the same Figure. The device is shown in the on state.
  • FIG. 3 is from the prior art publication US20080021 15A1.
  • a display stack-up 300 which is provided for a mobile electronic device 100 having an internal and external display, for example a clamshell style mobile phone.
  • Figure 4 is from the prior art publication US2008002115A1.
  • the mobile electronic device 100 includes a first housing member 102 and a second housing member 104.
  • the first housing member 102 and the second housing member 104 may be made up of materials like metal, plastic, glass and/or hybrids thereof.
  • the first housing member 102 and the second housing member 104 are hingedly connected with one another and are configurable in the open and closed positions.
  • FIG. 5 is from the prior art publication US20080021 15A1. This Figure shows the hinged mobile phone disclosed therein in the closed configuration.
  • Figure 6 shows a side view of an example device of the invention.
  • the device may relate to the device of Figure 2.
  • Figure 7 shows the front face and the back face of an example device of the invention in the same Figure.
  • the device is shown in the on state.
  • the device may relate to the device of Figure 2.
  • a dual screen bar form factor phone with a bi-stable display there is provided a dual screen bar form factor phone with a bi-stable display.
  • An advantage of a dual screen bar form factor phone is that one screen is always visible, whichever way up the device is placed on a table. By displaying an incoming message on both screens, this ensures that incoming messages are always visible when the device is lying on a table.
  • the first display screen may use electrowetting technology.
  • the second display screen may use electrowetting technology eg. Liquavista.
  • the device appearance may be context-related eg. in relation to position such as one determined using a global positioning system (GPS) receiver, or in relation to weather, or in relation to temperature, or in relation to time of day.
  • Context related (eg. position-related) device appearance may include location-based advertising.
  • Context related (eg. position- related) device appearance may include results of a location-based search.
  • Notification and customization are important tasks in mobile computing. For notification it is known to use sound, vibration or LCD/AMOLED (liquid crystal display/ Active-matrix organic light-emitting diode) displays. All those ways provide notification for a limited time and cannot work in always-on mode due to high power consumption. There are cases with segmented bi-stable displays used for notifications, but they don't give right flexibility with notification messages or/and options.
  • LCD/AMOLED liquid crystal display/ Active-matrix organic light-emitting diode
  • the look of the device can be changed by changing what is displayed on the bi-stable screen, such as to give the appearance of a different phone case for example.
  • the phone skin can be changed.
  • the phone skin may be one or more of wallpaper, photos, movies, user-customized content.
  • a bi-stable active matrix and high- resolution display on the back panel of the device gives the following advantages in relation to prior art cases: • Phone customization - user is able to display any pattern, picture or application interface to differentiate their phone from others
  • Notifications - any application or service is able to display the notification on the back screen. Notification time is not limited, because a bi-stable display is used.
  • Notifications any application or service is able to display the notification on the front screen.
  • the notification such as a message may be provided on the front screen and on the back screen.
  • Figure 1 shows the front face and back face of an example device of the invention in the same Figure.
  • the device is shown in the off state.
  • the front face In the off state, the front face is not illuminated: it is shown as dark.
  • the bi-stable display on the back face continues to display content, which can be viewed as a result of external illumination eg. ambient illumination.
  • the front face has an AMOLED display
  • the back face has an E-ink bi-stable display.
  • a bi-stable display may use interferometric modulation technology eg. Qualcomm Mirasol.
  • Figure 2 shows the front face and the back face of an example device of the invention in the same Figure.
  • the device is shown in the on state.
  • the front face is illuminated and can display an image or other content.
  • the bi-stable display on the back face also can display an image or other content.
  • the front face has an AMOLED display
  • the back face has an E-ink bi-stable display.
  • Figure 6 shows a side view of an example of the invention of Figure 2.
  • Figure 7 shows the front face and the back face of an example device of the invention in the same Figure.
  • the device is shown in the on state.
  • the front face is illuminated and can display an image or other content.
  • the bi-stable display on the back face also can display an image or other content.
  • the front face has an AMOLED display
  • the back face has an E-ink bi-stable display.
  • An example of the front display is: 4" WVGA (800 x 480 Or 854 x 480)
  • E-INK Electronic Paper Display under glass on back side
  • Properties of the back face may include:
  • Properties of the back screen may include:
  • update rate should be minimized to the order of twice per minute
  • the back screen output may provide:
  • An example of interactions is text messages from a blog site.
  • An example of control is varying the frequency of back screen updates eg. from once per minute to once per 5 minutes.
  • An example of use cases is receipt of a major emergency notification by an emergency services worker.
  • An example of personalization is putting a photo of a favourite landmark on the back screen.
  • An example of privacy is removing names of companies or individuals from any received incoming message displayed on the back screen.
  • a bar form factor display device may be one wherein the back display screen output provides a social network screen.
  • Preinstalled Widgets may include: Clock, Social aggregator, Communications Log, "Favorites” Bucket, News, Weather, Yota Connection, Battery, Contacts Favorites, Latitude & Longitude, and Player.
  • the Back Screen may provide:
  • the back display of the device may display news provided by a news service.
  • the back display of the device may display social messages provided by a social messaging service.
  • the back display of the device may display output providing social aggregator output or social network output.
  • the social aggregator output or social network output may be a Facebook page.
  • the back display of the device may display a Google search page.
  • the back display of the device may display an indication of mobile phone signal strength.
  • the back display of the device may display an indication of battery charge state.
  • the back display of the device may display calendar information.
  • the back display of the device may be the only operational display of the device when the device operates in a low power notification mode. When the device operates in a low power notification mode the back display of the device may be updated in response to an incoming news story provided by a news service.
  • the back display of the device When the device operates in a low power notification mode the back display of the device may be updated in response to an incoming social message provided by a social messaging service.
  • the device may be programmed such that when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, for example, news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
  • the categories may be preselected, such as by a user or by a network services provider.
  • the device may be portable.
  • the device may be a mobile phone, a portable digital assistant, a laptop, a digital audio player or a tablet computer.
  • Known digital audio players include the ipod and mp3 players.
  • Known tablet computers include the ipad.
  • the device may include a virtual keyboard.
  • the device may have a touch screen.
  • the device may have two screens each of which is a touch screen.
  • the bi-stable screen may be a touch screen.
  • a screen that is not a bi-stable screen may be a touch screen.
  • the device may include a second bi-stable screen.
  • the device may include a second bi-stable screen which is a touch screen.
  • the device may include a second bi-stable screen which is not a touch screen.
  • the bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located.
  • the bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located.
  • the bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located.
  • the bistable screen may occupy greater than 80% of the area of the major face of the device on which it is located.
  • the bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located.
  • the bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
  • the screen other than the bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located.
  • the screen other than the bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located.
  • the screen other than the bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located.
  • the screen other than the bistable screen may occupy greater than 80% of the area of the major face of the device on which it is located.
  • the screen other than the bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located.
  • the screen other than the bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 80% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located.
  • a second bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
  • the device may comprise a single backlight module situated between its two major faces.
  • the backlight module may illuminate one display on one major face.
  • the backlight module may illuminate two displays each of which is situated on a different major face of the device to the other display.
  • the device may comprise two backlight modules, each of which may illuminate a display situated on a major face of the device.
  • Each backlight module may illuminate a respective display on a respective major face of the device.
  • the two backlight modules may be situated between two displays of the device, where each display is situated on a different major face of the device to the other display.
  • the device may have flat (i.e. non-curved) front and back major faces.
  • the device may have one major face that is curved with the other major face being flat (i.e. non- curved).
  • Curved bar form factor display device e.g. phone
  • the bar form factor display device (eg. a phone) may have a unique and organic shape - essential for rapid product differentiation in a crowded space. Examples are shown in Figures 6 and 7.
  • the bar form factor display device may have a concave front face and a convex rear face. The magnitude of the curvature of the faces may be the same or similar.
  • the concave front may match the path of a finger as the user's wrist rotates. Hence it's very natural to use. Having a curved surface as the vibrating distributed mode loudspeaker (DML) speaker is also better since if the front display with the speaker exciters was instead a flat surface, then it would sound unpleasant if that flat surface is placed down against a tabletop. Curving the surface prevents this happening.
  • DML distributed mode loudspeaker
  • Preferred curvature of front and back is cylindrical, but spherical or aspherical are possible.
  • the convex back can have a bistable display. Since the normal resting position is front face down, the back screen with bi-stable display is normally displayed when bar form factor display device is in the resting position. This resting position is mechanically stable. If bar form factor display device is placed back down (ie convex face down), the bar form factor display device could spin, which is unstable. Hence a user will likely place bar form factor display device front face (i.e. concave face) down, with the bi-stable screen showing.
  • the front face can face inwards, since this better matches leg curvature. This can be the better configuration (as opposed to front face up) for antenna reception.
  • the curved shape may be laminated to glass.
  • DML bar form factor display device e.g. phone
  • NXT pic distributed mode loudspeaker (DML) technology here to vibrate the entire bar form factor display device (eg. phone) screen - the whole screen surface acts as the speaker.
  • the speaker hole can be fully eliminated.
  • DML has never been used before to drive a screen surface in a mobile phone or a bar form factor display device. Haptic feedback can be provided by the drivers too - a new use for the DML exciters.
  • a hinged (eg. clam shell) phone may be provided which includes, in addition to a main display which is concealed when the phone is in a closed configuration, two bi-stable displays, one on each major face of the phone when the device is in a closed configuration. This ensures that even when the device is in a closed configuration, received messages may be displayed on both bistable screens so that the received messages are visible to a user even when the phone is in the closed configuration, irrespective of which major face is facing upwards when the device is lying on a surface such as a table surface.
  • a bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen.
  • the first display screen may be called the front display screen.
  • the second display screen may be called the back display screen.
  • the above may include additionally any of the following, alone or in combination:
  • the second display screen uses electrowetting technology.
  • the second display screen is a bi-stable display screen.
  • Bar form factor display device is a slate device.
  • Bar form factor display device is a bar or candybar device.
  • Bar form factor display device is a slab-shaped form.
  • Bar form factor display device displays an image in the off state.
  • Bar form factor display device displays an image in a low power notification mode.
  • Bar form factor display device displays an image on the bi-stable display in the off state or in a low power notification mode.
  • Bar form factor display device first display screen is a liquid crystal display screen.
  • Bar form factor display device first display screen is an active-matrix organic light-emitting diode display screen.
  • Context related device appearance includes location-based advertising
  • Context related device appearance includes results of a location-based search.
  • the look of the device can be changed by changing what is displayed on the bi-stable screen.
  • the device skin can be changed.
  • the device skin is one or more of wallpaper, photos, movies, user- customized content.
  • the look of the device can be changed by changing what is displayed on the bi-stable screen to give the appearance of a different phone case.
  • any application or service executing on the device is able to display a notification on the back screen.
  • Notification time is not limited, because a bi-stable display is used.
  • the bi-stable display on the back face continues to display content, which can be viewed using external illumination.
  • the front face has an AMOLED display
  • the back face has an E- ink bi-stable display
  • the front face is back-illuminated and can display an image or other content; in the on-state, the bi-stable display on the back face also can display an image or other content.
  • back screen is: interferometric modulation technology panel.
  • back screen provides approximately at least 1000 full screen updates using 300 mAh of charge for a screen size of approximately 4 inches.
  • back screen output provides one or more of: Interactions, Control, Use cases, Personalization, Widgets, Privacy.
  • back screen output provides Latitude & Longitude eg. those of the device.
  • back screen output provides Location eg. device location. back screen output provides Notifications.
  • back screen output provides news provided by a news service. • back screen output provides social messages provided by a social messaging service.
  • back display of the device is the only operational display of the device when the device operates in a low power notification mode.
  • the back display of the device displays content updates of one or more categories.
  • the back display of the device displays content updates of one or more categories, the categories including one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
  • the back display of the device displays content updates of one or more categories, wherein the categories are preselected
  • the back display of the device displays content updates of one or more categories, wherein the categories are preselected by a user
  • the back display of the device displays content updates of one or more categories, wherein the categories are preselected by a network services provider.
  • Bar form factor display device wherein an application or service executing on the device is able to display a notification on the first screen.
  • Bar form factor display device wherein any application or service executing on the device is able to display a notification on the first screen.
  • Bar form factor display device wherein a message is provided on first screen and on second screen.
  • Bar form factor display device wherein the second display screen output provides a social network screen.
  • Bar form factor display device wherein the second display screen output provides social aggregator output or social network output.
  • Bar form factor display device wherein the social aggregator output or social network output is a Facebook page.
  • device is a mobile phone, a portable digital assistant, a laptop, or a tablet computer.
  • device has two screens each of which is a touch screen.
  • bi-stable screen is a touch screen.
  • bi-stable screen is not a touch screen.
  • a screen that is not a bi-stable screen is a touch screen.
  • device includes a second bi-stable screen.
  • device includes a second bi-stable screen which is a touch screen.
  • device includes a second bi-stable screen which is not a touch screen.
  • bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
  • bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
  • bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
  • a second bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
  • a second bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
  • a second bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
  • device comprises a single backlight module situated between its two major faces.
  • device comprises two backlight modules, each of which illuminates a display situated on a major face of the device
  • the two backlight modules each illuminates a respective display on a respective major face of the device
  • the two backlight modules are situated between two displays of the device, where each display is situated on a different major face of the device to the other display.
  • Method of providing notification messages on a bar form factor display device operating at low power comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen, wherein the second display screen is a bi-stable display screen, comprising the steps of:
  • the first display screen may be called the front display screen.
  • the second display screen may be called the back display screen.
  • the above may include additionally any of the following, alone or in combination:
  • the software determines if the notification message is a new notification message, and the bi-stable display screen is updated only if the notification message is a new notification message.
  • notification messages are from a notification message provider.
  • the software on the device receiving a notification message from a notification message provider.
  • any application or service executing on the device is able to display a notification message on the back screen.
  • Notification message display time is not limited, because a bi-stable display is used.
  • back screen provides approximately at least 1000 full screen updates using 300 mAh of charge for a screen size of approximately 4 inches.
  • Notification message is of one or more categories, the categories including one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
  • Notification message is a social network message provided on a social network screen.
  • Notification message is a social network message provided on a Facebook page.
  • Notification message is a social message provided by a social messaging service.
  • Notification message is a social message provided by a social networking service.
  • Notification message is of one or more categories, wherein the categories are preselected.
  • Notification message is of one or more categories, wherein the categories are preselected by a user.
  • Notification message is of one or more categories, wherein the categories are preselected by a network services provider.
  • Notification message is text message from a blog site.
  • Maximum screen update frequency is a user settable parameter in the software.
  • the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
  • the step of changing the skin of the bi-stable display screen comprises providing a skin which is one or more of: wallpaper, photos, movies, or user-customized content.
  • the step of providing context-related content on the bi-stable display screen includes providing location-based advertising.
  • the step of providing context-related content on the bi-stable display screen includes providing results of a location-based search.

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Abstract

There is provided a bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen. In one example, the back face screen is a bi-stable screen.

Description

DEVICE WITH DISPLAY SCREEN
Background of the invention
1. Field of the Invention
The field of the invention includes bar form factor display devices, especially bar form factor display devices comprising a plurality of display screens. Bar form factors include slab, slate, block, bar and candybar.
2. Technical Background
Bar form factor display devices, eg. slate devices such as the iPhone™ and the iPad™, are known. However, these devices comprise only a single display screen. A bar form factor device may be a slate device.
3. Discussion of Related Art
In US20080021 15A1, as shown in prior art Figure 3, there is disclosed a display stack-up 300 which is provided for a mobile electronic device 100 having an internal and external display, for example a clamshell style mobile phone. The display stack-up comprises a backlight unit 1 14 and an external display device 1 10 having bi-stable optical states. The external display device 110 is placed in contact with, and is optically coupled to, the backlight unit 114. The display stack-up further comprises an internal display device 106 which is placed in contact with, and is optically coupled to, the external display device 110.
The terms "internal display" and "external display" employed in US20080021 15A1 arise because the device disclosed therein contains a hinged part such that one display is permanently visible to a user (the "external display"), while the other display may or may not be visible to a user (the "internal display"). Prior art Figure 4 is disclosed in US20080021 15A1. In US20080021 15A1 it is disclosed that the mobile electronic device 100 includes a first housing member 102 and a second housing member 104. The first housing member 102 and the second housing member 104 may be made up of materials like metal, plastic, glass and/or hybrids thereof. The first housing member 102 and the second housing member 104 are hingedly connected with one another and are configurable in the open and closed positions. In other words, the first housing member 102 and the second housing member 104 are connected to each other with a hinge such that the angle between the two is approximately 180° or less, when configured in an open position, and the minimum angle is approximately 0° or slightly greater, when configured in the closed position. The first housing member 102 further comprises an external display aperture 101 and an internal display aperture 103 through which the external display device 110 and internal display device 106 are viewable, respectively. The display itself comprises three primary devices which are encased by the first housing member 102. In the cross sectional view of prior art FIG. 4, the three devices are shown in a "stack-up" configuration having the internal display device 106, the external display device 1 10, and a backlight device 108.
Prior art Figure 5 taken from US20080021 15A1 shows the hinged mobile phone disclosed therein in the closed configuration. In the closed configuration the inner display surface is protected from scratching which may occur eg., when the device is inside a woman's handbag and it comes into contact with various items such as keys, make up casing and metal elements on the surface of a money holder. The closed configuration is more compact than the open configuration of prior art Figure 4; the compactness is useful when the device is being transported, eg. in a woman's handbag, because its greatest lateral extent is reduced with respect to the open configuration. The interface components are kept inside the hinged phone, which offers more surface area when the device is open than when the device is closed. Interface components such as keypad keys and an internal display are protected when the device is closed, and when closed it is less long or wide, making the device easier to carry around. When a hinged phone is in the closed configuration, the second display can be used for display purposes because the first display may not be visible in the closed configuration.
The device of prior art Figures 4 and 5 is not a bar form factor device because it consists of two parts connected by a hinge.
Summary of the invention
According to an aspect of the invention there is provided a bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen.
The bar form factor display device may be one in which the second display screen uses electrowetting technology.
The bar form factor display device may be one in which the second display screen is a Grayscale panel.
The bar form factor display device may be one in which the second display screen is a bi-stable display screen. The bar form factor display device may be one in which a device appearance can be changed by changing what is displayed on the bi-stable display screen.
The bar form factor display device may be one in which the bi-stable display screen is a bi-stable active matrix and high-resolution display screen.
The bar form factor display device may be one in which the bi-stable display screen is an E-ink bi-stable display screen.
The bar form factor display device may be one in which the second display screen is Electronic Paper Display under glass.
The bar form factor display device may be one in which the second display screen uses interferometric modulation technology.
The bar form factor display device may be one in which the device appearance is context-related.
The bar form factor display device may be one in which the context-related device appearance includes location-based advertising.
The bar form factor display device may be one in which the context-related device appearance includes results of a location-based search.
The bar form factor display device may be one in which the device appearance can be changed to give an appearance of a different phone case.
The bar form factor display device may be one in which the device skin can be changed.
The bar form factor display device may be one in which the device skin is one or more of: wallpaper, photos, movies, or user-customized content.
The bar form factor display device may be one in which the back face appears to be part of a device case.
The bar form factor display device may be one in which the second display screen has a low power consumption.
The bar form factor display device may be one in which the first display screen and the second display screen have similar resolutions.
The bar form factor display device may be one in which the second display screen provides approximately at least 1000 full screen updates using 300 mAh of charge, for a screen size of approximately 4 inches.
The bar form factor display device may be one in which the second display screen is operable to update at a rate the order of twice per minute.
The bar form factor display device may be one in which the second screen does not consume power or require power when in a bi-stable state.
The bar form factor display device may be one in which the device displays an image in an off state or in a low power notification mode.
The bar form factor display device may be one in which an application or service executing on the device is able to display a notification on the second screen.
The bar form factor display device may be one in which any application or service executing on the device is able to display a notification on the second screen.
The bar form factor display device may be one in which a time period for which a notification is displayed is not limited.
The bar form factor display device may be one in which an application or service executing on the device is able to display a notification on the first screen.
The bar form factor display device may be one in which any application or service executing on the device is able to display a notification on the first screen.
The bar form factor display device may be one in which a message is provided on the first screen and on the second screen.
The bar form factor display device may be one in which the second display screen output provides one or more of: Interactions, Control, Use cases, Personalization, Widgets, Privacy.
The bar form factor display device may be one in which the second display screen output provides a social network screen.
The bar form factor display device may be one in which the second display screen output provides social aggregator output or social network output.
The bar form factor display device may be one in which the social aggregator output or social network output is a Facebook page.
The bar form factor display device may be one in which the second display screen output provides a Google search page.
The bar form factor display device may be one in which the second display screen output provides device location.
The bar form factor display device may be one in which the second display screen output provides Notifications.
The bar form factor display device may be one in which the second display screen output provides Operator Push output.
The bar form factor display device may be one in which the second display screen output provides news provided by a news service. The bar form factor display device may be one in which the second display screen output provides social messages provided by a social messaging service.
The bar form factor display device may be one in which the second display screen output provides social messages provided by a social networking service.
The bar form factor display device may be one in which the second display screen output provides calendar information.
The bar form factor display device may be one in which the second display screen is the only operational display screen of the device when the device operates in a low power notification mode.
The bar form factor display device may be one in which the second display screen displays content updates of one or more categories when the device operates in a low power notification mode.
The bar form factor display device may be one in which the categories include one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
The bar form factor display device may be one in which the categories are preselected.
The bar form factor display device may be one in which the categories are preselected by a user.
The bar form factor display device may be one in which the categories are preselected by a network services provider.
The bar form factor display device may be one in which the device is a slate device.
The bar form factor display device may be one in which the device is a bar or candybar device.
The bar form factor display device may be one in which the device is a slab-shaped form.
The bar form factor display device may be one in which the first display screen is a liquid crystal display screen.
The bar form factor display device may be one in which the first display screen is an active-matrix organic light-emitting diode display screen.
The bar form factor display device may be one in which in an ON state, the front face is back-illuminated and can display an image or other content; in the ON state, the bi-stable display on the back face also can display an image or other content.
The bar form factor display device may be one in which the device comprises a touch screen.
The bar form factor display device may be one in which the first display screen is a touch screen.
The bar form factor display device may be one in which the second display screen is a bi-stable display touch screen.
The bar form factor display device may be one in which the second display screen is a bi-stable display screen and the device includes a second bi-stable screen.
The bar form factor display device may be one in which the second display screen is a bi-stable display screen and the bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the first screen occupies greater than 70% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the first screen occupies greater than 90% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the first screen occupies greater than 95% of the area of the major face of the device on which it is located.
The bar form factor display device may be one in which the device is portable.
The bar form factor display device may be one in which the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
The bar form factor display device may be one in which the device includes a virtual keyboard.
The bar form factor display device may be one in which the device includes a concave front face and a convex rear face.
The bar form factor display device may be one in which the magnitudes of the curvatures of the front face and the rear face are the same or similar.
The bar form factor display device may be one in which the curvature of front and back is cylindrical.
The bar form factor display device may be one in which the curvature of front and back is spherical. The bar form factor display device may be one in which the curvature of front and back is aspherical.
The bar form factor display device may be one in which the device has a resting position with its front face down which is mechanically stable.
The bar form factor display device may be one in which the device concave front curvature matches the path of a finger as the user's wrist rotates.
The bar form factor display device may be one in which if the bar form factor display device is placed back down (ie convex face down), the bar form factor display device can spin.
The bar form factor display device may be one in which if the bar form factor display device is placed in a leg pocket of a user's clothing with the concave face facing the leg, this provides better antenna reception than if the convex face faces the leg.
The bar form factor display device may be one in which a curved front face is a vibrating distributed mode loudspeaker (DML) speaker.
The bar form factor display device may be one in which a curved rear face is a vibrating distributed mode loudspeaker (DML) speaker.
The bar form factor display device may be one in which during manufacturing the curved shape is laminated to glass.
Brief description of the drawings
Figure 1 shows the front face and back face of an example device of the invention in the same Figure. The device is shown in the off state.
Figure 2 shows the front face and the back face of an example device of the invention in the same Figure. The device is shown in the on state.
Figure 3 is from the prior art publication US20080021 15A1. In this Figure there is disclosed a display stack-up 300 which is provided for a mobile electronic device 100 having an internal and external display, for example a clamshell style mobile phone.
Figure 4 is from the prior art publication US2008002115A1. In this Figure it is disclosed that the mobile electronic device 100 includes a first housing member 102 and a second housing member 104. The first housing member 102 and the second housing member 104 may be made up of materials like metal, plastic, glass and/or hybrids thereof. The first housing member 102 and the second housing member 104 are hingedly connected with one another and are configurable in the open and closed positions.
Figure 5 is from the prior art publication US20080021 15A1. This Figure shows the hinged mobile phone disclosed therein in the closed configuration.
Figure 6 shows a side view of an example device of the invention. The device may relate to the device of Figure 2.
Figure 7 shows the front face and the back face of an example device of the invention in the same Figure. The device is shown in the on state. The device may relate to the device of Figure 2.
Detailed description
In an example of the invention, there is provided a dual screen bar form factor phone with a bi-stable display. An advantage of a dual screen bar form factor phone is that one screen is always visible, whichever way up the device is placed on a table. By displaying an incoming message on both screens, this ensures that incoming messages are always visible when the device is lying on a table. The first display screen may use electrowetting technology. The second display screen may use electrowetting technology eg. Liquavista.
The device appearance may be context-related eg. in relation to position such as one determined using a global positioning system (GPS) receiver, or in relation to weather, or in relation to temperature, or in relation to time of day. Context related (eg. position-related) device appearance may include location-based advertising. Context related (eg. position- related) device appearance may include results of a location-based search.
Notification and customization are important tasks in mobile computing. For notification it is known to use sound, vibration or LCD/AMOLED (liquid crystal display/ Active-matrix organic light-emitting diode) displays. All those ways provide notification for a limited time and cannot work in always-on mode due to high power consumption. There are cases with segmented bi-stable displays used for notifications, but they don't give right flexibility with notification messages or/and options.
There are many ways for customization of the device - pictures and themes for user interface (UI) on main screen, sounds and different accessories like phone cases can be used to change the look of the device. The look of the device can be changed by changing what is displayed on the bi-stable screen, such as to give the appearance of a different phone case for example. For example, the phone skin can be changed. The phone skin may be one or more of wallpaper, photos, movies, user-customized content.
In an example of the invention, there is provided a bi-stable active matrix and high- resolution display on the back panel of the device. This improvement gives the following advantages in relation to prior art cases: • Phone customization - user is able to display any pattern, picture or application interface to differentiate their phone from others
• Notifications - any application or service is able to display the notification on the back screen. Notification time is not limited, because a bi-stable display is used.
• Notifications - any application or service is able to display the notification on the front screen. The notification such as a message may be provided on the front screen and on the back screen.
• The information remains on the screen even when the phone itself is switched off. This is important even for manufacturing - a manufacturer can place all needed information directly on the bi-stable screen: eg. serial number, certification logos, country of origin and so on.
An example of the invention is shown in Figure 1. Figure 1 shows the front face and back face of an example device of the invention in the same Figure. The device is shown in the off state. In the off state, the front face is not illuminated: it is shown as dark. However, in the off-state, the bi-stable display on the back face continues to display content, which can be viewed as a result of external illumination eg. ambient illumination. In an example of Figure 1, the front face has an AMOLED display, and the back face has an E-ink bi-stable display.
A bi-stable display may use interferometric modulation technology eg. Qualcomm Mirasol.
An example of the invention is shown in Figure 2. Figure 2 shows the front face and the back face of an example device of the invention in the same Figure. The device is shown in the on state. In the on state, the front face is illuminated and can display an image or other content. In the on-state, the bi-stable display on the back face also can display an image or other content. In an example of Figure 2, the front face has an AMOLED display, and the back face has an E-ink bi-stable display. Figure 6 shows a side view of an example of the invention of Figure 2.
An example of the invention is shown in Figure 7. Figure 7 shows the front face and the back face of an example device of the invention in the same Figure. The device is shown in the on state. In the on state, the front face is illuminated and can display an image or other content. In the on-state, the bi-stable display on the back face also can display an image or other content. In an example of Figure 7, the front face has an AMOLED display, and the back face has an E-ink bi-stable display.
An example of the front display is: 4" WVGA (800 x 480 Or 854 x 480)
Technology: AMOLED or sIPS / FFS
Nissha Capacitive touch screen
Glass: Gorilla Glass (Corning)
An example of the back screen is: Electronic Paper Display under glass on back side (E-INK).
Properties of the back face may include:
• Ε-ΓΝΚ Back screen
• Sharp Greyscale panel
• Perceived as part of case
• Low power consumption
Properties of the back screen may include:
1. Image
• Resolution: 700-900 x 480 (possible target: similar to front display)
• Colors: 16 Grey scale (E-ink) or 65K (LG)
• Contrast: 10: 1 ~ 20: 1 , Reflective ratio: 40%+
• Refresh ratio: 150 ms ~ 400 ms
• Ability to refresh any area starting from 1 pixel
• Color scheme conforms to case color
2. Power Consumption
• Approximately 1000 full screen updates using 300 mAh of charge
• To minimize power consumption, update rate should be minimized to the order of twice per minute
• Does not consume / require power when in bi-stable state
The back screen output may provide:
• Interactions, • Control,
• Use cases,
• Personalization,
• Widgets,
• Privacy
An example of interactions is text messages from a blog site. An example of control is varying the frequency of back screen updates eg. from once per minute to once per 5 minutes. An example of use cases is receipt of a major emergency notification by an emergency services worker. An example of personalization is putting a photo of a favourite landmark on the back screen. An example of privacy is removing names of companies or individuals from any received incoming message displayed on the back screen.
A bar form factor display device may be one wherein the back display screen output provides a social network screen.
Preinstalled Widgets may include: Clock, Social aggregator, Communications Log, "Favorites" Bucket, News, Weather, Yota Connection, Battery, Contacts Favorites, Latitude & Longitude, and Player.
The Back Screen may provide:
• Context related Themes (Weather, Location, Environment)
• Widgets, Notifications
• Personalization
• Post cards
• Operator Push (Congratulations, Customer info)
The back display of the device may display news provided by a news service. The back display of the device may display social messages provided by a social messaging service. The back display of the device may display output providing social aggregator output or social network output. The social aggregator output or social network output may be a Facebook page. The back display of the device may display a Google search page. The back display of the device may display an indication of mobile phone signal strength. The back display of the device may display an indication of battery charge state. The back display of the device may display calendar information. The back display of the device may be the only operational display of the device when the device operates in a low power notification mode. When the device operates in a low power notification mode the back display of the device may be updated in response to an incoming news story provided by a news service. When the device operates in a low power notification mode the back display of the device may be updated in response to an incoming social message provided by a social messaging service. The device may be programmed such that when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, for example, news, social messages, an emergency notification, financial news, earthquake, tsunami or weather. The categories may be preselected, such as by a user or by a network services provider.
Further aspects of the device
The device may be portable. The device may be a mobile phone, a portable digital assistant, a laptop, a digital audio player or a tablet computer. Known digital audio players include the ipod and mp3 players. Known tablet computers include the ipad. The device may include a virtual keyboard. The device may have a touch screen. The device may have two screens each of which is a touch screen. The bi-stable screen may be a touch screen. A screen that is not a bi-stable screen may be a touch screen. The device may include a second bi-stable screen. The device may include a second bi-stable screen which is a touch screen. The device may include a second bi-stable screen which is not a touch screen.
The bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located. The bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located. The bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located. The bistable screen may occupy greater than 80% of the area of the major face of the device on which it is located. The bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located. The bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
The screen other than the bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located. The screen other than the bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located. The screen other than the bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located. The screen other than the bistable screen may occupy greater than 80% of the area of the major face of the device on which it is located. The screen other than the bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located. The screen other than the bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
A second bi-stable screen may occupy greater than 50% of the area of the major face of the device on which it is located. A second bi-stable screen may occupy greater than 60% of the area of the major face of the device on which it is located. A second bi-stable screen may occupy greater than 70% of the area of the major face of the device on which it is located. A second bi-stable screen may occupy greater than 80% of the area of the major face of the device on which it is located. A second bi-stable screen may occupy greater than 90% of the area of the major face of the device on which it is located. A second bi-stable screen may occupy greater than 95% of the area of the major face of the device on which it is located.
The device may comprise a single backlight module situated between its two major faces. The backlight module may illuminate one display on one major face. The backlight module may illuminate two displays each of which is situated on a different major face of the device to the other display.
The device may comprise two backlight modules, each of which may illuminate a display situated on a major face of the device. Each backlight module may illuminate a respective display on a respective major face of the device. The two backlight modules may be situated between two displays of the device, where each display is situated on a different major face of the device to the other display.
The device may have flat (i.e. non-curved) front and back major faces. The device may have one major face that is curved with the other major face being flat (i.e. non- curved).
Curved bar form factor display device (eg. phone)
The bar form factor display device (eg. a phone) may have a unique and organic shape - essential for rapid product differentiation in a crowded space. Examples are shown in Figures 6 and 7. The bar form factor display device may have a concave front face and a convex rear face. The magnitude of the curvature of the faces may be the same or similar. The concave front may match the path of a finger as the user's wrist rotates. Hence it's very natural to use. Having a curved surface as the vibrating distributed mode loudspeaker (DML) speaker is also better since if the front display with the speaker exciters was instead a flat surface, then it would sound unpleasant if that flat surface is placed down against a tabletop. Curving the surface prevents this happening. Preferred curvature of front and back is cylindrical, but spherical or aspherical are possible. The convex back can have a bistable display. Since the normal resting position is front face down, the back screen with bi-stable display is normally displayed when bar form factor display device is in the resting position. This resting position is mechanically stable. If bar form factor display device is placed back down (ie convex face down), the bar form factor display device could spin, which is unstable. Hence a user will likely place bar form factor display device front face (i.e. concave face) down, with the bi-stable screen showing.
If the bar form factor display device is in a pocket, the front face (concave face) can face inwards, since this better matches leg curvature. This can be the better configuration (as opposed to front face up) for antenna reception.
In manufacturing, the curved shape may be laminated to glass.
DML bar form factor display device (eg. phone) speaker
It's hard to get good quality audio performance, unless you have a large speaker with a large and ugly speaker hole. In one example, we use NXT pic distributed mode loudspeaker (DML) technology here to vibrate the entire bar form factor display device (eg. phone) screen - the whole screen surface acts as the speaker. The speaker hole can be fully eliminated. One can use two small driver s/exciters under the glass to make the screen vibrate. DML has never been used before to drive a screen surface in a mobile phone or a bar form factor display device. Haptic feedback can be provided by the drivers too - a new use for the DML exciters.
Device audio properties may be characterized by:
On-board Audio: 128- Voice Polyphony,
QconcertPlus, Dolby 5.1 Surround,
Echo and Noise Cancellation.
Additional ANC (Audience).
2 Microphones.
NXT display surface sound (No speakers)
Deep stereo Surface Sound
No conventional speakers Adaptive Noise Cancellation
The case and materials may be characterized by:
Case: Single block
Materials: Plastic or Texin™
A hinged (eg. clam shell) phone may be provided which includes, in addition to a main display which is concealed when the phone is in a closed configuration, two bi-stable displays, one on each major face of the phone when the device is in a closed configuration. This ensures that even when the device is in a closed configuration, received messages may be displayed on both bistable screens so that the received messages are visible to a user even when the phone is in the closed configuration, irrespective of which major face is facing upwards when the device is lying on a surface such as a table surface.
It is to be understood that the above-referenced arrangements are only illustrative of the application for the principles of the present invention. Numerous modifications and alternative arrangements can be devised without departing from the spirit and scope of the present invention. While the present invention has been shown in the drawings and fully described above with particularity and detail in connection with what is presently deemed to be the most practical and preferred example(s) of the invention, it will be apparent to those of ordinary skill in the art that numerous modifications can be made without departing from the principles and concepts of the invention as set forth herein.
Concepts
There are multiple concepts, described as concepts Ά-Β', in this disclosure. The following may be helpful in defining these concepts.
A. Bar form factor Display Device
There is provided a bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen.
The first display screen may be called the front display screen. The second display screen may be called the back display screen. The above may include additionally any of the following, alone or in combination:
• the second display screen uses electrowetting technology.
• the second display screen is a bi-stable display screen.
• Bar form factor display device is a slate device.
• Bar form factor display device is a bar or candybar device.
• Bar form factor display device is a slab-shaped form.
• Bar form factor display device displays an image in the off state.
• Bar form factor display device displays an image in a low power notification mode.
• Bar form factor display device displays an image on the bi-stable display in the off state or in a low power notification mode.
• Bar form factor display device first display screen is a liquid crystal display screen.
• Bar form factor display device first display screen is an active-matrix organic light-emitting diode display screen.
• Device appearance is context related.
• Context related device appearance includes location-based advertising
Context related device appearance includes results of a location-based search.
• The look of the device can be changed by changing what is displayed on the bi-stable screen.
• The device skin can be changed.
• The device skin is one or more of wallpaper, photos, movies, user- customized content.
• The look of the device can be changed by changing what is displayed on the bi-stable screen to give the appearance of a different phone case.
• There is provided a bi-stable active matrix and high-resolution display on the back panel of the device.
• Regarding the back panel, user is able to display a pattern, picture or application interface to differentiate their phone from others.
• any application or service executing on the device is able to display a notification on the back screen.
• Notification time is not limited, because a bi-stable display is used.
• The information remains on the back screen even when the phone itself is switched off.
• in the off-state, the bi-stable display on the back face continues to display content, which can be viewed using external illumination.
• the back face has an E-ink bi-stable display.
• the front face has an AMOLED display, and the back face has an E- ink bi-stable display.
• In the on state, the front face is back-illuminated and can display an image or other content; in the on-state, the bi-stable display on the back face also can display an image or other content.
• front display is touch screen.
• back screen is: Electronic Paper Display under glass.
• back screen is: Grayscale panel.
• back screen is: interferometric modulation technology panel.
• back face is: perceived as part of case.
• back face has low power consumption.
• back screen resolution is similar to front display resolution.
• back screen provides approximately at least 1000 full screen updates using 300 mAh of charge for a screen size of approximately 4 inches.
• back screen update rate is the order of twice per minute.
• back screen does not consume power or require power when in bistable state.
• back screen output provides one or more of: Interactions, Control, Use cases, Personalization, Widgets, Privacy.
• back screen output provides Social aggregator output.
• back screen output provides Latitude & Longitude eg. those of the device.
back screen output provides Location eg. device location. back screen output provides Notifications.
back screen output provides Operator Push output.
back screen output provides news provided by a news service. • back screen output provides social messages provided by a social messaging service.
• back screen output provides an indication of mobile phone signal strength.
• back screen output provides an indication of battery charge state.
• back screen output provides calendar information.
• back display of the device is the only operational display of the device when the device operates in a low power notification mode.
• when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories.
• when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, the categories including one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
• when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, wherein the categories are preselected
• when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, wherein the categories are preselected by a user
• when the device operates in a low power notification mode, the back display of the device displays content updates of one or more categories, wherein the categories are preselected by a network services provider.
• Bar form factor display device, wherein an application or service executing on the device is able to display a notification on the first screen.
• Bar form factor display device, wherein any application or service executing on the device is able to display a notification on the first screen.
• Bar form factor display device, wherein a message is provided on first screen and on second screen.
• Bar form factor display device, wherein the second display screen output provides a social network screen.
• Bar form factor display device, wherein the second display screen output provides social aggregator output or social network output. • Bar form factor display device, wherein the social aggregator output or social network output is a Facebook page.
• Bar form factor display device, wherein the second display screen output provides a Google search page.
• device is portable.
• device is a mobile phone, a portable digital assistant, a laptop, or a tablet computer.
• device includes a virtual keyboard.
• device has a touch screen.
• device has two screens each of which is a touch screen.
• bi-stable screen is a touch screen.
• bi-stable screen is not a touch screen.
• A screen that is not a bi-stable screen is a touch screen.
• device includes a second bi-stable screen.
• device includes a second bi-stable screen which is a touch screen.
• device includes a second bi-stable screen which is not a touch screen.
• bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
• bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
• bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
• screen , other than the bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
• screen other than the bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
• screen other than the bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
• A second bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
• A second bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
• A second bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
• device comprises a single backlight module situated between its two major faces.
• single backlight module illuminates one display on one major face.
• single backlight module illuminates two displays each of which is situated on a different major face of the device to the other display
• device comprises two backlight modules, each of which illuminates a display situated on a major face of the device
• the two backlight modules each illuminates a respective display on a respective major face of the device
• The two backlight modules are situated between two displays of the device, where each display is situated on a different major face of the device to the other display.
B. Method of providing notification messages in a bar form factor display device at low power
Method of providing notification messages on a bar form factor display device operating at low power, the bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen, wherein the second display screen is a bi-stable display screen, comprising the steps of:
i) Executing software on the device, the software operating the device in a low power notification mode in which the first display screen is off and in which the device is operable to receive a notification message;
ii) The software on the device receiving a notification message;
iii) Displaying the notification message on the bi-stable display screen.
The first display screen may be called the front display screen. The second display screen may be called the back display screen. The above may include additionally any of the following, alone or in combination:
• The software determines if the notification message is a new notification message, and the bi-stable display screen is updated only if the notification message is a new notification message.
• notification messages are from a notification message provider. • The software on the device receiving a notification message from a notification message provider.
• Displaying the notification message on the bi-stable display screen at a low screen update frequency.
• the notification message comprises an image.
• the notification message comprises text.
• an application or service executing on the device is able to display a notification message on the back screen.
• any application or service executing on the device is able to display a notification message on the back screen.
• Notification message display time is not limited, because a bi-stable display is used.
• Notification message remains on the back screen even when the phone itself is switched off.
• the back face has an E-ink bi-stable display.
• back screen is: Electronic Paper Display under glass.
• back screen uses interferometric modulation display technology.
• back screen resolution is similar to front display resolution.
• back screen provides approximately at least 1000 full screen updates using 300 mAh of charge for a screen size of approximately 4 inches.
• back screen update rate is the order of twice per minute.
• Notification message is of one or more categories, the categories including one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
• Notification message is a social network message provided on a social network screen.
• Notification message is a social network message provided on a Facebook page.
• Notification message is a social message provided by a social messaging service.
• Notification message is a social message provided by a social networking service.
• Notification message is of one or more categories, wherein the categories are preselected.
• Notification message is of one or more categories, wherein the categories are preselected by a user.
• Notification message is of one or more categories, wherein the categories are preselected by a network services provider.
• Notification message is text message from a blog site.
• Notification message is privacy controlled.
• Maximum screen update frequency is a user settable parameter in the software.
• device is portable.
• the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
• device includes a virtual keyboard.
• device has a touch screen.
• Including the step of changing the skin of the bi-stable display screen.
• The step of changing the skin of the bi-stable display screen comprises providing a skin which is one or more of: wallpaper, photos, movies, or user-customized content.
• Including the step of providing context-related content on the bistable display screen.
• The step of providing context-related content on the bi-stable display screen includes providing location-based advertising.
• The step of providing context-related content on the bi-stable display screen includes providing results of a location-based search.

Claims

1. Bar form factor display device comprising front and back major faces, the front major face arranged to present a first display screen and the back major face arranged to present a second display screen different to the first display screen.
2. Bar form factor display device of Claim 1, wherein the second display screen uses electrowetting technology.
3. Bar form factor display device of Claim 1, wherein the second display screen is a Grayscale panel.
4. Bar form factor display device of Claim 1, wherein the second display screen is a bi-stable display screen.
5. Bar form factor display device of Claim 4, wherein a device appearance can be changed by changing what is displayed on the bi-stable display screen.
6. Bar form factor display device of any of Claims 4 to 5, wherein the bi-stable display screen is a bi-stable active matrix and high-resolution display screen.
7. Bar form factor display device of any of Claims 4 to 6, wherein the bi-stable display screen is an E-ink bi-stable display screen.
8. Bar form factor display device of any of Claims 4 to 6, wherein the second display screen is Electronic Paper Display under glass.
9. Bar form factor display device of any of Claims 4 to 6, wherein the second display screen uses interferometric modulation technology.
10. Bar form factor display device of any previous Claim, wherein the device appearance is context related.
1 1. Bar form factor display device of Claim 10, wherein the context related device appearance includes location-based advertising.
12. Bar form factor display device of Claims 10 or 1 1, wherein the context related device appearance includes results of a location-based search.
13. Bar form factor display device of any of previous Claim, wherein the device appearance can be changed to give an appearance of a different phone case.
14. Bar form factor display device of any of previous Claim, wherein the device skin can be changed.
15. . Bar form factor display device of Claim 14, wherein the device skin is one or more of: wallpaper, photos, movies, or user-customized content.
16. Bar form factor display device of any previous Claim, wherein the back face appears to be part of a device case.
17. Bar form factor display device of any previous Claim, wherein the second display screen has a low power consumption.
18. Bar form factor display device of any previous Claim, wherein the first display screen and the second display screen have similar resolutions.
19. Bar form factor display device of any previous Claim, wherein the second display screen provides approximately at least 1000 full screen updates using 300 mAh of charge, for a screen size of approximately 4 inches.
20. Bar form factor display device of any previous Claim, wherein the second display screen is operable to update at a rate the order of twice per minute.
21. Bar form factor display device of any of Claims 4 to 9, wherein the second screen does not consume power or require power when in a bi-stable state.
22. Bar form factor display device of any previous Claim, wherein the device displays an image in an off state or in a low power notification mode.
23. Bar form factor display device of any previous Claim, wherein an application or service executing on the device is able to display a notification on the second screen.
24. Bar form factor display device of any previous Claim, wherein any application or service executing on the device is able to display a notification on the second screen.
25. Bar form factor display device of any of Claims 22 to 24, wherein a time period for which a notification is displayed is not limited.
26. Bar form factor display device of any previous Claim, wherein an application or service executing on the device is able to display a notification on the first screen.
27. Bar form factor display device of any previous Claim, wherein any application or service executing on the device is able to display a notification on the first screen.
28. Bar form factor display device of any previous Claim, wherein a message is provided on the first screen and on the second screen.
29. Bar form factor display device of any previous Claim, wherein the second display screen output provides one or more of: Interactions, Control, Use cases, Personalization, Widgets, Privacy.
30. Bar form factor display device of any previous Claim, wherein the second display screen output provides a social network screen.
31. Bar form factor display device of any previous Claim, wherein the second display screen output provides social aggregator output or social network output.
32. Bar form factor display device of any of Claims 30 to 31, wherein the social aggregator output or social network output is a Facebook page.
33. Bar form factor display device of any previous Claim, wherein the second display screen output provides a Google search page.
34. Bar form factor display device of any previous Claim, wherein the second display screen output provides device location.
35. Bar form factor display device of any previous Claim, wherein the second display screen output provides Notifications.
36. Bar form factor display device of any previous Claim, wherein the second display screen output provides Operator Push output.
37. Bar form factor display device of any previous Claim, wherein the second display screen output provides news provided by a news service.
38. Bar form factor display device of any previous Claim, wherein the second display screen output provides social messages provided by a social messaging service.
39. Bar form factor display device of any previous Claim, wherein the second display screen output provides social messages provided by a social networking service.
40. Bar form factor display device of any previous Claim, wherein the second display screen output provides calendar information.
41. Bar form factor display device of any previous Claim, wherein the second display screen is the only operational display screen of the device when the device operates in a low power notification mode.
42. Bar form factor display device of any previous Claim, wherein the second display screen displays content updates of one or more categories when the device operates in a low power notification mode.
43. Bar form factor display device of Claim 42, wherein the categories include one or more of news, social messages, an emergency notification, financial news, earthquake, tsunami or weather.
44. Bar form factor display device of any of Claims 42 to 43, wherein the categories are preselected.
45. Bar form factor display device of Claim 44, wherein the categories are preselected by a user.
46. Bar form factor display device of Claim 44, wherein the categories are preselected by a network services provider.
47. Bar form factor display device of any previous Claim, wherein the device is a slate device.
48. Bar form factor display device of any of Claims 1 to 46, wherein the device is a bar or candybar device.
49. Bar form factor display device of any of Claims 1 to 46, wherein the device is a slab-shaped form.
50. Bar form factor display device of any previous Claim, wherein the first display screen is a liquid crystal display screen.
51. Bar form factor display device of any of Claims 1 to 49, wherein the first display screen is an active-matrix organic light-emitting diode display screen.
52. Bar form factor display device of any of Claims 4 to 9, wherein in an ON state, the front face is back-illuminated and can display an image or other content; in the ON state, the bi-stable display on the back face also can display an image or other content.
53. Bar form factor display device of any previous Claim, wherein the device comprises a touch screen.
54. Bar form factor display device of Claim 53, wherein the first display screen is a touch screen.
55. Bar form factor display device of any of Claims 4 to 9, wherein the second display screen is a bi-stable display touch screen.
56. Bar form factor display device of any of Claims 4 to 9, wherein the second display screen is a bi-stable display screen and the device includes a second bi-stable screen.
57. Bar form factor display device of any of Claims 4 to 9, wherein the second display screen is a bi-stable display screen and the bi-stable screen occupies greater than 70% of the area of the major face of the device on which it is located.
58. Bar form factor display device of Claim 57, wherein the bi-stable screen occupies greater than 90% of the area of the major face of the device on which it is located.
59. Bar form factor display device of Claim 57, wherein the bi-stable screen occupies greater than 95% of the area of the major face of the device on which it is located.
60. Bar form factor display device of any of Claim 57 to 59, wherein the first screen occupies greater than 70% of the area of the major face of the device on which it is located.
61. Bar form factor display device of any of Claim 57 to 59, wherein the first screen occupies greater than 90% of the area of the major face of the device on which it is located.
62. Bar form factor display device of any of Claim 57 to 59, wherein the first screen occupies greater than 95% of the area of the major face of the device on which it is located.
63. Bar form factor display device of any previous Claim, wherein the device is portable.
64. Bar form factor display device of any previous Claim, wherein the device is a mobile phone, a portable digital assistant, a laptop, a digital audio player (eg. ipod), or a tablet computer (eg. ipad).
65. Bar form factor display device of any previous Claim, wherein the device includes a virtual keyboard.
66. Bar form factor display device of any previous Claim, wherein the device includes a concave front face and a convex rear face.
67. Bar form factor display device of Claim 66, wherein the magnitudes of the curvatures of the front face and the rear face are the same or similar.
68. Bar form factor display device of Claims 66 or 67, wherein the curvature of front and back is cylindrical.
69. Bar form factor display device of Claims 66 or 67, wherein the curvature of front and back is spherical.
70. Bar form factor display device of Claims 66 or 67, wherein the curvature of front and back is aspherical.
71. Bar form factor display device of any of Claims 66 to 70, wherein the device has a resting position with its front face down which is mechanically stable.
72. Bar form factor display device of any of Claims 66 to 71, wherein the device concave front curvature matches the path of a finger as the user's wrist rotates.
73. Bar form factor display device of any of Claims 66 to 72, wherein if the bar form factor display device is placed back down (ie convex face down), the bar form factor display device can spin.
74. Bar form factor display device of any of Claims 66 to 73, wherein if the bar form factor display device is placed in a leg pocket of a user's clothing with the concave face facing the leg, this provides better antenna reception than if the convex face faces the leg.
75. Bar form factor display device of any of Claims 66 to 74, wherein a curved front face is a vibrating distributed mode loudspeaker (DML) speaker.
76. Bar form factor display device of any of Claims 66 to 75, wherein a curved rear face is a vibrating distributed mode loudspeaker (DML) speaker.
77. Bar form factor display device of any of Claims 66 to 76, wherein during manufacturing the curved shape is laminated to glass.
EP11804603.6A 2010-09-28 2011-09-13 Device with display screen Withdrawn EP2643964A2 (en)

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GBGB1016288.1A GB201016288D0 (en) 2010-09-28 2010-09-28 Dual screen phone
GBGB1017776.4A GB201017776D0 (en) 2010-10-20 2010-10-20 Yota 201010
GBGB1020999.7A GB201020999D0 (en) 2010-12-10 2010-12-10 Yota UI 1
GBGB1112458.3A GB201112458D0 (en) 2010-09-28 2011-07-20 device with display screen
PCT/RU2011/000700 WO2012044201A2 (en) 2010-09-28 2011-09-13 Device with display screen

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JP (5) JP2014500639A (en)
KR (5) KR20140066236A (en)
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BR (1) BR112013007595A2 (en)
CA (1) CA2812920C (en)
DE (4) DE212011100048U1 (en)
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US20140342782A1 (en) 2014-11-20
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DE112011103263B4 (en) 2017-02-02
WO2012044201A2 (en) 2012-04-05
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DE112011103848T5 (en) 2013-12-19
US20130222208A1 (en) 2013-08-29
CA2812920C (en) 2017-05-23
RU2012137883A (en) 2014-03-10
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US20130244732A1 (en) 2013-09-19
DE202011110378U1 (en) 2013-10-07
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RU2013118261A (en) 2014-11-10
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KR101629962B1 (en) 2016-06-13
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